Question

what is an atom explain and their example

Answer 1

Atoms are the basic units of matter and the defining structure of elements.For example, the element hydrogen is made from atomscontaining just one proton and one electron.

Answer 2

Explanation:

An elementary particle is a particle that is the smallest and most basic component of matter and cannot be broken down into smaller particles. For example, the atom isn't an elementary particle because it contains protons, neutrons and electrons.